1247792

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:885

約数の個数: 40

約数和(自身を含む): 2978976

約数和(自身を除く): 1731184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 857, 1456, 1714, 3428, 5999, 6856, 11141, 11998, 13712, 22282, 23996, 44564, 47992, 77987, 89128, 95984, 155974, 178256, 311948, 623896, 1247792]

約数ペア:

[(1, 1247792), (2, 623896), (4, 311948), (7, 178256), (8, 155974), (13, 95984), (14, 89128), (16, 77987), (26, 47992), (28, 44564), (52, 23996), (56, 22282), (91, 13712), (104, 11998), (112, 11141), (182, 6856), (208, 5999), (364, 3428), (728, 1714), (857, 1456)]